I need help with product b I don't understand what it means. I know you have to solve for x but everything I input is incorrect.

Investment Center Sales Net income Average invested assets Profit margin Investment turnover Return on investment $10,400,000 $ 352,000 $ $1,400,00 8% 12% Use the information in the following table to compute each department's contribution to overhead (both in dollars and as a percent) Round your final answers to 2 decimal places.) Profit Margin Choose Numerator:Choose Denominator: Profit Margin Investment Net income Sales Profit margin Center 352,000I$ 4400.0001 = 8.00% 828,000 10,400,000 Investment Turnover: Choose Numerator: Choose Denominator:Investment Turnover Investment Center / Average invested assets Investment turnover ales 1400.0001 = 4,400,000$ 3.14 1.50 10,400,000S 6.900,000 Return on investment: Choose Numerator Choose Denominator Return on investment Investment Center Net income Average invested assetsReturn on investment 352.0001 $ 828.0001 $ 25.14% 1,400,000! 6,900,000 12.00%